{"id":"CVE-2026-126871","kind":"vulnerability","aliases":["CVE-2026-126871"],"related":[],"title":"Chrome on Mac: out-of-bounds read lets crafted web page read memory","description":"Out of bounds read in Skia in Google Chrome on on Mac prior to 157.0.8103.78 allowed a remote attacker to read memory outside the sandbox via a crafted HTML page. (Chromium security severity: High)","summary":"Google Chrome on Mac has an out-of-bounds read in its Skia graphics library. A remote attacker who lures a user to a crafted HTML page can read memory outside the browser sandbox.","severity":"high","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["browsers","chrome","macos","other"],"not_affected_if":["chrome-updated","non-mac-platform"],"how_to_check":"- Open Chrome and check the version under Settings > About Chrome, or run `google-chrome --version` on the machine.\n- Compare it with the fixed version `157.0.8103.78`.","fix":"- Google Chrome on Mac: update to `157.0.8103.78` or later.","status":"open","published_at":"2026-11-11T23:17:15+00:00","first_seen_at":"2026-11-11T23:29:37+00:00","triaged_at":"2026-11-11T23:32:21+00:00","updated_at":"2026-11-11T23:32:21+00:00","category":"other","confidence":0.7,"triage":{"at":"2026-11-11T23:32:21Z","model":"claude-haiku-5-5","output":{"fix":"- Google Chrome on Mac: update to `157.0.8103.78` or later.","reach":"internet","title":"Chrome on Mac: out-of-bounds read lets crafted web page read memory","impact":"medium","summary":"Google Chrome on Mac has an out-of-bounds read in its Skia graphics library. A remote attacker who lures a user to a crafted HTML page can read memory outside the browser sandbox.","audience":"everyone","category":"other","nicknames":[],"who_cares":["chrome","macos","browsers"],"confidence":0.7,"fix_status":"available","needs_auth":"no","worst_case":"attacker reads browser process memory outside the sandbox","analyst_note":"","how_to_check":"- Open Chrome and check the version under Settings > About Chrome, or run `google-chrome --version` on the machine.\n- Compare it with the fixed version `157.0.8103.78`.","plain_action":"Update Google Chrome on your Mac to version 157.0.8103.78 or later: Chrome menu > About Google Chrome.","product_name":"","needs_analyst":false,"not_affected_if":["chrome-updated","non-mac-platform"],"who_is_affected":"Mac users running Google Chrome older than 157.0.8103.78. Exploitation requires a victim to open an attacker-controlled HTML page. Chrome on other platforms is not named in the sources.","user_interaction":"yes","product_ecosystem":"","needs_special_setup":"no","severity_if_unknown":"high"},"cost_usd":0.000716,"input_tokens":4533,"output_tokens":526,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-126871':17A,20A '-2026':16A,19A '157.0.8103.78':73C 'allow':74C 'attack':42B,77C 'bound':7A,33B,61C 'browser':21B,57B 'chrome':1A,22B,25B,67C 'chromium':89C 'craft':10A,49B,86C 'cve':15A,18A 'googl':24B,66C 'graphic':38B 'high':92C 'html':50B,87C 'let':9A 'librari':39B 'lure':44B 'mac':3A,27B,70C 'maco':23B 'memori':14A,54B,80C 'out-of-bound':4A,30B 'outsid':55B,81C 'page':12A,51B,88C 'prior':71C 'read':8A,13A,34B,53B,62C,79C 'remot':41B,76C 'sandbox':58B,83C 'secur':90C 'sever':91C 'skia':37B,64C 'user':46B 'via':84C 'web':11A","nicknames":[],"mitigations":[],"who_affected":"Mac users running Google Chrome older than 157.0.8103.78. Exploitation requires a victim to open an attacker-controlled HTML page. Chrome on other platforms is not named in the sources.","tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":"available","audience":"everyone","plain_action":"Update Google Chrome on your Mac to version 157.0.8103.78 or later: Chrome menu > About Google Chrome.","pkeys":[],"ptokens":[],"labels":["browsers","chrome","high","macos","other"],"campaign_type":null,"search_a":"'-126871':17A,20A '-2026':16A,19A 'bound':7A 'chrome':1A 'craft':10A 'cve':15A,18A 'let':9A 'mac':3A 'memori':14A 'out-of-bound':4A 'page':12A 'read':8A,13A 'web':11A","search_b":"'attack':42B 'bound':33B 'browser':21B,57B 'chrome':22B,25B 'craft':49B 'googl':24B 'graphic':38B 'html':50B 'librari':39B 'lure':44B 'mac':27B 'maco':23B 'memori':54B 'out-of-bound':30B 'outsid':55B 'page':51B 'read':34B,53B 'remot':41B 'sandbox':58B 'skia':37B 'user':46B","search_c":"'157.0.8103.78':73C 'allow':74C 'attack':77C 'bound':61C 'chrome':67C 'chromium':89C 'craft':86C 'googl':66C 'high':92C 'html':87C 'mac':70C 'memori':80C 'outsid':81C 'page':88C 'prior':71C 'read':62C,79C 'remot':76C 'sandbox':83C 'secur':90C 'sever':91C 'skia':64C 'via':84C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-11T23:17:15+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-126871","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-126871","severity":null,"published_at":"2026-11-11T23:17:15+00:00","modified_at":"2026-11-11T23:17:15+00:00","first_seen_at":"2026-11-11T23:29:37+00:00","fetched_at":"2026-11-11T23:29:37+00:00","note":null}],"documents":[],"disclosures":[],"exploit_sources":[],"notice":"Free to read, with fair use of about 60 pages a minute. For higher limits or API access: sales@infrastack.ai"}